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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0167552 (1993-12-13) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 18 인용 특허 : 0 |
A ground cover such as for use at the beach for picnics or sunbathing including a frame being a plurality of tube sections, each tube section having one end with a smaller diameter than another end of said tube section such that said smaller end of each tube is insertable into said larger end of a n
A device for coveting an area of ground which comprises: a frame being a plurality of tube sections, each tube section having one end with a smaller diameter than another end of said tube section such that said smaller end of each tube is insertable into said larger end of a neighboring tube; said t
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